Vertical heater with thermostat, 2000 watts maximum power, color chrome.
立式恒温加热器,200 0瓦的最大功率,彩色镀铬。
First, they exposed three tubes of chrome yellow to UV radiation until one turned a chocolate color.
首先,他们将三管铬黄曝露在紫外线辐射中,直到其中一管变成巧克力色。
The rectangular glazed flat plate collector comprises a transparent glass or plastic window covering flat black or chrome paint color selective shallow box.
釉面的平板集热器由包含一个透明玻璃或塑料“窗口”覆盖扁黑色板或选择性“铬”涂料浅层的矩形框。
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